英语演讲稿 珍爱生命之水
my dear teachers，fellow students and friends： good afternoon. as we all know, the earth is a planet almost covered by water，and it is water made every thing on the earth lively.water is also one of the important part of our environment.though，is there really so much water for us to clean，to produce many things，to play with? how much water are there on the earth then? most of the water is in the oceans or locked away as ice.the largest volumes of fresh water are stored underground as groundwater，imagine there is only one barrel... [ 查看全文 ]英语演讲稿 珍爱生命之水的相关文章
英语演讲稿：The knowledge is the strength
Schoolmates: When you look the lovable animated cartoon, plays is in a stew human's computer games, rides the fast train, is answering transoceanic telephone time, ......Not only your...[ 查看全文 ]
